Computer Systems Security

Introduction Vulnerability assessments are a cornerstone of cybersecurity, providing a structured approach to identifying and mitigating weaknesses in computer systems. These assessments are critical to safeguarding data, networks, and applications against exploitation. This article delves into the concept of vulnerabilities, their life cycle, and the tools and methodologies used to assess and address them. What […]

Introduction In the complex cybersecurity landscape, understanding the threat levels posed by different types of attackers is crucial for individuals and organizations. Attackers vary widely in their motivations, skills, resources, and strategies, impacting how their threats are perceived. In this article, we rank and analyze different attackers to assess their potential harm, likelihood of attack,

The MITRE ATT&CK framework has become a cornerstone in the field of cybersecurity, offering a comprehensive matrix of tactics and techniques used by threat actors. Based on the foundational paper by Strom et al., titled “MITRE ATT&CK: Design and Philosophy,” this article delves into the first three sections of the paper, providing insights into the

In the realm of cybersecurity, understanding attack models is crucial for developing effective defense strategies. This article delves into the various types of attack models and explains how they help in understanding and mitigating cyber threats. What is an Attack Model? An attack model is a simplified representation that helps in understanding an attacker’s behavior,

In the landscape of cybersecurity, developing and implementing effective security policies is crucial for safeguarding organizational assets. This article compares two prominent sources of security policy templates—SANS and Sophos—and integrates insights from a notable cybersecurity threat known as BadUSB to illustrate the application of these policies. Security Policy Templates: SANS vs. Sophos SANS Security Policy

In the rapidly evolving world of cybersecurity, understanding the mechanics of how computer programs function and how they can be exploited is crucial. This article explores a critical thinking exercise designed to deepen your understanding of programmatic vulnerabilities and how to mitigate them. The exercise involves creating a simple, human-readable program that performs a basic

In the vast and ever-evolving field of cybersecurity, understanding the nature of cyber attacks is foundational to developing effective defense mechanisms. This article draws insights from seminal works in the cybersecurity domain, focusing on managing security, foundational principles, and attack graph analysis methods. For anyone involved in network security or interested in the theoretical underpinnings

In the realm of cybersecurity, understanding the dynamics of attacks, identifying potential threats, and implementing robust countermeasures are crucial for protecting computer systems and networks. This article explores these concepts in depth, providing insights into the various aspects of cybersecurity and how to effectively combat potential security breaches. What are Cyber Attacks and Threats? A

In today’s digital landscape, safeguarding computer systems against cyber threats is paramount. This article delves into the core aspects of cybersecurity, including defining attacks and threats, exploring common security countermeasures, understanding attack models, and assessing vulnerabilities. Whether you’re a cybersecurity professional or an enthusiast, gaining a solid grasp of these concepts is essential for protecting

The history of computer security is as complex as it is fascinating, involving a constant arms race between cybersecurity professionals and cybercriminals. To truly understand this intricate field, it’s crucial to delve into the foundational documents and studies that have shaped its development. Whether you’re a student, a professional, or an enthusiast in the field